From 690c8fd31f1e35985d0f35772fde514da59ec9d1 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 22 Jun 2006 19:12:03 -0700 Subject: [SPARC64]: Use in-kernel PROM tree for EBUS and ISA. Signed-off-by: David S. Miller --- arch/sparc64/kernel/auxio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/sparc64/kernel/auxio.c') diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c index 8852c20c8d9..db36b66a4e3 100644 --- a/arch/sparc64/kernel/auxio.c +++ b/arch/sparc64/kernel/auxio.c @@ -136,7 +136,7 @@ found_sdev: for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "auxio")) + if (!strcmp(edev->prom_node->name, "auxio")) goto ebus_done; } } -- cgit v1.2.3-70-g09d2 From b5ba0740f852f4ad86ba7f21267bc77027d60703 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 23 Jun 2006 22:46:49 -0700 Subject: [SPARC64]: Make auxio a real driver. Signed-off-by: David S. Miller --- arch/sparc64/kernel/auxio.c | 109 ++++++++++++++++++++++++++++++-------------- arch/sparc64/kernel/ebus.c | 8 ---- arch/sparc64/kernel/sbus.c | 2 - 3 files changed, 74 insertions(+), 45 deletions(-) (limited to 'arch/sparc64/kernel/auxio.c') diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c index db36b66a4e3..2c42894b188 100644 --- a/arch/sparc64/kernel/auxio.c +++ b/arch/sparc64/kernel/auxio.c @@ -110,43 +110,82 @@ void auxio_set_lte(int on) } } -void __init auxio_probe(void) +static void __devinit auxio_report_dev(struct device_node *dp) { - struct sbus_bus *sbus; - struct sbus_dev *sdev = NULL; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if(!strcmp(sdev->prom_name, "auxio")) - goto found_sdev; - } - } - -found_sdev: - if (sdev) { - auxio_devtype = AUXIO_TYPE_SBUS; - auxio_register = sbus_ioremap(&sdev->resource[0], 0, - sdev->reg_addrs[0].reg_size, - "auxiliaryIO"); - } + printk(KERN_INFO "AUXIO: Found device at %s\n", + dp->full_name); +} + +static struct of_device_id auxio_match[] = { + { + .name = "auxio", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, auxio_match); + +#ifdef CONFIG_SBUS +static int __devinit auxio_sbus_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + + auxio_devtype = AUXIO_TYPE_SBUS; + auxio_register = sbus_ioremap(&sdev->resource[0], 0, + sdev->reg_addrs[0].reg_size, + "auxiliaryIO"); + if (!auxio_register) + return -ENODEV; + + auxio_report_dev(dev->node); + return 0; +} + +static struct of_platform_driver auxio_sbus_driver = { + .name = "auxio", + .match_table = auxio_match, + .probe = auxio_sbus_probe, +}; +#endif + #ifdef CONFIG_PCI - else { - struct linux_ebus *ebus; - struct linux_ebus_device *edev = NULL; - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_node->name, "auxio")) - goto ebus_done; - } - } - ebus_done: - if (edev) { - auxio_devtype = AUXIO_TYPE_EBUS; - auxio_register = - ioremap(edev->resource[0].start, sizeof(u32)); - } - } +static int __devinit auxio_ebus_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct linux_ebus_device *edev = to_ebus_device(&dev->dev); + + auxio_devtype = AUXIO_TYPE_EBUS; + auxio_register = ioremap(edev->resource[0].start, sizeof(u32)); + if (!auxio_register) + return -ENODEV; + + auxio_report_dev(dev->node); + auxio_set_led(AUXIO_LED_ON); + + return 0; +} + +static struct of_platform_driver auxio_ebus_driver = { + .name = "auxio", + .match_table = auxio_match, + .probe = auxio_ebus_probe, +}; #endif + +static int __init auxio_probe(void) +{ +#ifdef CONFIG_SBUS + of_register_driver(&auxio_sbus_driver, &sbus_bus_type); +#endif +#ifdef CONFIG_PCI + of_register_driver(&auxio_ebus_driver, &ebus_bus_type); +#endif + + return 0; } + +/* Must be after subsys_initcall() so that busses are probed. Must + * be before device_initcall() because things like the floppy driver + * need to use the AUXIO register. + */ +fs_initcall(auxio_probe); diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index b390a2f3a15..98e0a8cbeec 100644 --- a/arch/sparc64/kernel/ebus.c +++ b/arch/sparc64/kernel/ebus.c @@ -269,10 +269,6 @@ EXPORT_SYMBOL(ebus_dma_enable); struct linux_ebus *ebus_chain = NULL; -#ifdef CONFIG_SUN_AUXIO -extern void auxio_probe(void); -#endif - static inline void *ebus_alloc(size_t size) { void *mem; @@ -630,8 +626,4 @@ void __init ebus_init(void) ++num_ebus; } pci_dev_put(pdev); /* XXX for the case, when ebusnd is 0, is it OK? */ - -#ifdef CONFIG_SUN_AUXIO - auxio_probe(); -#endif } diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c index d3da23cdc26..ac05e0f692e 100644 --- a/arch/sparc64/kernel/sbus.c +++ b/arch/sparc64/kernel/sbus.c @@ -1269,10 +1269,8 @@ int __init sbus_arch_preinit(void) void __init sbus_arch_postinit(void) { extern void firetruck_init(void); - extern void auxio_probe(void); extern void clock_probe(void); firetruck_init(); - auxio_probe(); clock_probe(); } -- cgit v1.2.3-70-g09d2 From dda9beb41414035de230e78cb53416f3e551295a Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 25 Jun 2006 02:08:47 -0700 Subject: [SPARC64]: Export auxio_register to modules. Signed-off-by: David S. Miller --- arch/sparc64/kernel/auxio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/sparc64/kernel/auxio.c') diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c index 2c42894b188..c2c69c167d1 100644 --- a/arch/sparc64/kernel/auxio.c +++ b/arch/sparc64/kernel/auxio.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -16,8 +17,8 @@ #include #include -/* This cannot be static, as it is referenced in irq.c */ void __iomem *auxio_register = NULL; +EXPORT_SYMBOL(auxio_register); enum auxio_type { AUXIO_TYPE_NODEV, -- cgit v1.2.3-70-g09d2